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Mixing Niacinamide and L-Ascorbic Acid Powders in Water

Regarding mixing Vitamin B3 (Niacinamide) and Vitamin C (L-Ascorbic Acid) powders: After mixing the powders together, what is the next step? Is it simply mixing the powders...

Cosmetics Ingredient Interaction Serum Skin Irritation Stability pH Adjustment
Posted by kanyarach
Cream yellowing and skin staining from high concentration of Hi-Quercetin®

My cream formulation using 5% Hi-Quercetin® (Onion Extract) is causing the cream and skin to turn yellow. How can I fix this issue in the existing batch? I previously...

Cosmetics Color Changing Cream Formulation Adjustment High Concentration Staining
Posted by being.benz27
BHA Toner Formulation for Acne: Replacing BHA with Timed-Release and Adding Anti-inflammatory Extracts

I am developing a BHA toner formulation for acne and have some questions regarding ingredient substitution and effectiveness: 1. I currently use 3% regular BHA. I want to...

Cosmetics Acne Treatment Clogged Pores Formulation Adjustment Skin Irritation Toner
Posted by hiphop5142
Formulating Anti-Aging Gel with DMAE: Base Compatibility and Texture Adjustment

I am formulating an anti-aging gel containing DMAE. Can I use `TransDerm` base? If not, what base should I use instead, and how should I adjust the texture?

Cosmetics Electrolyte Tolerance Gel Shaving Skin Barrier Repair Texture Modification
Posted by siwongkorn
Simple Cleansing Water / Makeup Remover Formulation using MakeUp-Wash™

Could you provide a simple formulation for a makeup remover (cleansing water) using `MakeUp-Wash™ (PEG-6 Caprylic/Capric Glycerides)`? Please include the ingredients, mixing...

Cosmetics Cleaning Water Formulation Examples Gentle Formulation Makeup Removal Micellar Formulation
Posted by nannaphat.sudchawa
Making Water-Based Sunscreen with Zinc Oxide: Dispersion, Stability, and Formulation

I want to make a water-based sunscreen using Zinc Oxide. 1. Can I make an effective sunscreen using just water, 20% Zinc Oxide, and Pro Polymer? 2. Should Micronized Zinc Oxide...

Cosmetics Compatibility Dispersion Stability Sunscreen Formulation Water-based Formulation
Posted by salitpong_k
Pine Bark Extract Precipitation in Gel Formulation

I have a question. Why does the product precipitate when pine bark extract is added? The pine bark extract does not dissolve into the gel texture. What should I do?

Cosmetics Gel Mixing Procedure Precipitation Solubility Texture
Posted by viewy_mupa
PHA (Gluconolactone) vs. AHA/BHA: Antibacterial Properties and Preservation Needs

Regarding PHA (Gluconolactone), how do its antibacterial properties compare to AHA and BHA? Can PHA, AHA, or BHA be used as the sole preservative in cosmetic formulations for...

Cosmetics Antibacterial Exfoliation Hydration Ingredient Comparison Preservation
Posted by skeggiold.film
Questions on Azelaic Acid Formulation: Preservatives, Base, and Measurement Accuracy

I have questions about formulating with Azelaic Acid (specifically the water-soluble form like `Liquid Azelaic™`). Based on the importance of precise measurement for...

Cosmetics Azelaic Acid Formulation Adjustment Precise Measurement Preservation Texture
Posted by moji-25
Fixing Gel Liquefaction with Pro Polymer after adding DMAE

My gel formulation liquefied after adding liquid DMAE, even though the gel formed correctly before. How can I fix this and restore the gel texture using Pro Polymer?

Cosmetics Gel Texture Modification Thickener Viscosity
Posted by monrada16
Hyaluronic Acid Gel Clarity Issue

I am making a simple Hyaluronic Acid gel by mixing Hyaluronic Acid powder with water. Based on what I know, the resulting gel should be clear. However, the gel I made is...

Cosmetics Clarity Gel Raw Material Solubility Water Quality
Posted by serumandcream
Combining Repair Activator and Vitamin C E Ferulic Kit Stability

Regarding the Vitamin C E Ferulic Kit: * Is it possible to add Repair Activator to this kit? * What effect does adding Repair Activator have on the stability of the Vitamin C...

Cosmetics Compatibility Formulation Adjustment Ingredient Interaction Serum Stability
Posted by sunita_2519
Recommendations for Oil-Free Gel/Cream and Face Mask Formulations

I have two questions regarding formulations: 1. I want to create a thick cream texture that can be packaged in a jar. It should be oil-free and absorb quickly into the skin....

Cosmetics Face Mask Gelling Agent Lotion Oil-Free Formulation Texture
Posted by babycurara
Adding Scent and Changing Texture of Witch Hazel Alcohol-Free Toner

I have ordered the **Witch Hazel Alcohol-Free Toner** and understand that its natural scent is not very pleasant. 1. I want to add a scent to make it more appealing. There are...

Cosmetics Ingredient Suggestion Scent Modification Texture Modification Thickener Toner
Posted by tonghiha9448732
Cloudiness and Effectiveness of Gel with Resveratrol + Soy Extract

My gel formulation containing Resveratrol and Soy Extract becomes cloudy when refrigerated. Is this normal, why does it happen (is it related to the solubility of genistein at...

Cosmetics Formulation Adjustment Gel Solubility Stability Turbidity
Posted by last_psychedelic
Usage Percentage and Formulation for LHA/BHA (Capryloyl Salicylic Acid Liquid 10%)

Regarding Capryloyl Salicylic Acid (LHA) Liquid with 10% active LHA and Salicylic Acid (BHA): * What is the maximum recommended usage percentage for LHA/BHA on the face? * If...

Cosmetics Facial Use Formulation Adjustment Precipitation Stability Usage Percentage
Posted by bzerg
Makeup Remover Formulation Options (Water-based and Oil-based)

Regarding makeup remover formulations: 1. If changing the formula to `water` + `Coco-Wash` + `MakeUp-Wash` (without `Propylene Glycol`), would it work? 2. If using another...

Cosmetics Cleaning Water Cleansing Oil Cosmetic Formulation Surfactant Washability
Posted by fewruko
Compatibility of Laureth-23 and Reshape Gel in Formulation

I have a formulation that contains both water and oil phases. 1. Can I use Laureth-23 as an emulsifier to combine the water and oil phases? 2. Can I also use Reshape Gel in...

Cosmetics Compatibility Emulsifier Gelling Agent Heat Stability Mixing Procedure
Posted by wondersea1
Phenoxyethanol in Cosmetics: Usage Rate and Stability

Regarding the preservative `Phenoxyethanol`, what is the recommended usage rate in cosmetic formulations? For a 500g batch, how much should be used? Also, how does the use of...

Cosmetics Challenge Test Cosmetic Formulation Preservation Stability Usage Percentage
Posted by saijai197681
How to Prepare 0.4% Hyaluronic Acid Solution

How can I prepare a 0.4% solution of Hyaluronic Acid powder? What is the correct ratio of Hyaluronic Acid powder to water, and what is the recommended dissolution method?

Cosmetics Amount Calculation Concentration Mixing Procedure Solubility Solution
Posted by jeerasak.jen